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3 years ago

Allie weighs 8 pounds less than her twin sister Lorrie. Allie weighs 124 pounds. How much does Lorrie weigh?

Mathematics

2 answers:

Andrej [43]3 years ago

8 0

132 pounds ....................

laiz [17]3 years ago

8 0

Answer:

Lorrie weighs 132

Step-by-step explanation:

The way to sole this question is by adding 124 and 8.

Thus, the answer is 132.

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Two of the opposite vertices of a square have the coordinates (4, - 4) and ( - 3, 3) respectively as shown on the grid below. Wh

iogann1982 [59]

Answer:

(4 , 3 ) and (-3 , -4)

Step-by-step explanation:

Other two vertices will be in 1st quadrant and 3 rd quadrant

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3 years ago

Solve x2 – 7x = –13.

aleksklad [387]

we have

$x^{2} -7x=-13$

Complete the square. Remember to balance the equation by adding the same constants to each side

$x^{2} -7x+3.5^{2}=-13+3.5^{2}$

$x^{2} -7x+12.25=-13+12.25$

$x^{2} -7x+12.25=-0.75$

Rewrite as perfect squares

$(x-3.5)^{2}=-0.75$

remember that

$i=\sqrt{-1}$

Square root both sides

$(x-3.5)=(+/-)\sqrt{-0.75}$

$(x-3.5)=(+/-)\sqrt{-1*0.75}$

$(x-3.5)=(+/-)\sqrt{0.75}i$

$x1=3.5+\sqrt{0.75}i$

$x2=3.5-\sqrt{0.75}i$

Simplify

$\sqrt{0.75}=\frac{\sqrt{3}}{2}$

$x1=3.5+\frac{\sqrt{3}}{2}i$

$x2=3.5-\frac{\sqrt{3}}{2}i$

therefore

the answer is

$x1=3.5+\frac{\sqrt{3}}{2}i$

$x2=3.5-\frac{\sqrt{3}}{2}i$

6 0

3 years ago

Read 2 more answers

Ilia_Sergeevich [38]

Answer:

D. y = |x| – 5.5

Step-by-step explanation:

6 0

3 years ago

How to solve 2d-e=7 d+e=5

loris [4]

2d – e = 7 
d + e = 5 

3d=12 

d=4

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3 years ago

F(x) = x + 13, then evaluate f(-2)

Lubov Fominskaja [6]

F(x)= x+13
F(-2)= -2 +13
= 11

You plug in -2 for the x

7 0

3 years ago